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Mycelia Signal MSVI ETH/USD Volatility Index Oracle
x402
Mycelia Signal MSVI ETH/USD Volatility Index Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-13).
Returns the MSVI (Mycelia Signal Volatility Index) for ETH/USD as a cryptographically signed Ed25519 attestation
Price / call$0.05
Success—
StatusUnknown
How this service works
MSVI Ethereum volatility index — composite of realized vol, implied vol, term structure, funding stress and put/call ratio — Ed25519 signed attestation
Output
Returns the MSVI ETH/USD volatility index value as a signed attestation object including the numeric volatility score, Ed25519 digital signature, signer public key, and timestamp — allowing recipients to cryptographically verify the data has not been tampered with.
Example use cases
Example prompt
“What's the current MSVI volatility index for ETH/USD right now? I need the Ed25519-signed attestation so I can verify it on-chain.”
Technical details
Endpoint
GEThttps://api.myceliasignal.com/oracle/volatility/eth/usdWhen to prefer
Use this endpoint when you need a cryptographically verifiable, tamper-proof ETH/USD volatility index reading — particularly for smart contract integrations, DeFi protocols, or any use case where downstream consumers must independently verify data authenticity via Ed25519 signature. Prefer over generic market data APIs when on-chain or trustless verification is required.
Side effects
- Payment not received or x402 payment flow incomplete — returns 402 Payment Required
- Rate limit exceeded — returns 429 Too Many Requests
- Upstream market data unavailable — returns 503 Service Unavailable
- Invalid payment token — returns 401 Unauthorized
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"pair": "ETHUSD",
"unit": "index",
"value": 28.9,
"pubkey": "7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a",
"degraded": true,
"canonical": "v1|VOLATILITY|ETHUSD|MSVI|28.90|index|30D|RV:40.23:0.3,IV:49.56:0.25,TS:0.814:0.15,FR:42.93:0.2,PCR:1.293:0.1|CONFIDENCE:0.5505|METHOD:v1|1780030126|787658",
"signature": "dM299TE0dNDde4dfu3CLX5MEcNQho91cnzTtEIG2XGNYvetZCu6QFOy0xaKHx5q4a4zuP4ZKWwq3Dy/4GqasCA==",
"spotPrice": 2004.61,
"components": {
"fr": {
"value": 42.9324,
"weight": 0.2,
"confidence": 1
},
"iv": {
"value": 49.56,
"weight": 0.25,
"confidence": 0.5
},
"rv": {
"value": 40.2326,
"weight": 0.3,
"confidence": 0.5351
},
"ts": {
"value": 0.8143,
"weight": 0.15,
"confidence": 0.3
},
"pcr": {
"value": 1.2928,
"weight": 0.1,
"confidence": 0.2
}
},
"computedAt": 1780030126,
"confidence": 0.5505,
"normalized": true,
"optionCount": 499,
"methodVersion": 1,
"signingScheme": "ed25519"
}Tags
x402
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